Some quirky ones that use or can think of
___ Wall/Bastion/Citadel
___ Springs/Pond/Bank/Stream/Falls
___ Pit/Burrows/Mine/Quarry/Shale
___ Vale/Glade/Meadows
___ Gap/Pass/Walk/March
___ Fort/Keep/Tower/Watch/Post
___ Berg/Borg (just means town)
___ Point/Bay/Harbor/Moor/Bank
___ Camp/Outpost/Tradepost
___ Meet/Mark
___ Valley/Ridge/Mount/Crag/
___ Briar/Fields/Delta/Grove

That's all i got for now off the top of my my head, i will look into it more an come back tommorow.